U.S. Route 380

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U.S. Highway 380 marker

U.S. Highway 380
Route information
Auxiliary route of US 80
Maintained by NMDOT and TxDOT
Length673 mi (1,083 km)
History1926–1931: US 566
Major junctions
West end I-25 / US 85 in San Antonio, NM
  US 54 in Carrizozo, NM

US 70 in Hondo, NM
US 70 in Roswell, NM
US 285 in Roswell, NM
US 81 / US 287 in Decatur, TX
I-35 in Denton, TX
US 77 / US 377 in Denton, TX
US 377 in Cross Roads, TX
Dallas North Tollway in Frisco, TX

US 75 in McKinney, TX
East end I-30 / US 67 / US 69 in Greenville, TX
StatesNew Mexico, Texas
Highway system

U.S. Route 380 (US 380) is an east–west United States highway. The highway's eastern terminus is in Greenville, Texas at an intersection with Interstate 30, of which the easternmost 3–4 miles are concurrent with US 69 in a loop around the west and south sides of Greenville. Its western terminus is at San Antonio, New Mexico, south of Socorro at an intersection with Interstate 25. It intersected with its parent, U.S. Route 80, at Cisco up to 1971, when it was rerouted along the former SH 24 from that highway's western terminus near Old Glory to Greenville. Former U.S. Route 380 from Cisco to near Old Glory became an extension of SH 6. The highway no longer connects to any x80 route. US 380 passes through some of the far northern suburbs of the Dallas/Fort Worth Metroplex, including (from west to east) Denton, Frisco, McKinney and Princeton. The portion in Texas from the New Mexico Border to Jayton was SH 84 before 1939. Its spur, SH 84A, went from Jayton to Aspermont, until 1930, when it became SH 161.

Route description[edit]

New Mexico[edit]


US Route 380 begins at an intersection with Interstate 25 just west of San Antonio, New Mexico, and travels through town, meeting the old route of US 85, now New Mexico State Road 1. It then travels generally east, and marks the northern edge of the White Sands Missile Range. The road then turns southeast, crossing the Carrizozo Malpais before reaching Carrizozo, meeting U.S. Route 54. The route continues southeast, climbing the Sacramento Mountains, and going through the town of Capitan and briefly travelling through the Lincoln National Forest, before reaching U.S. Route 70 at Hondo and becoming concurrent with US 70.

US 380 at the intersection of US 70 and US 285 in Roswell.

These routes continue eastward, next reaching Roswell, New Mexico. US 380 splits with US 70 in Roswell, then crossing U.S. Route 285 in Roswell before continuing east across oil-producing areas of the Llano Estacado of east New Mexico and the Texas South Plains.


US 380 enters Texas at a crossing with Farm to Market Road 769, travelling generally due east before meeting up with US Route 82 in Plains. They continue east passing the former locations of Tokio and Gomez before reaching Brownfield. In Brownfield, it meets US Routes 62 and 385, and all 4 routes coincide for 3 blocks through the center of town before US 380 splits to the east.

US 380 west of Tahoka, Texas

The route continues due east through Texas South Plains farmland, passing through Tahoka, before falling off the Llano Estacado and reaching Post. The highway then meanders east through rural Garza and Kent Counties before reaching the ghost town of Clairemont. The route then travels east, where it meets Texas State Highway 70, which both then turn northeast until reaching Jayton, where US 380 takes a sharp turn back to the southeast. The road then travels through several thousand acres of private ranchland in Kent and Stonewall Counties before reaching Swenson.

US 380 in Rule, Texas

The route continues to the southeast, reaching an intersection with US 83, where both continue southeast into the town of Aspermont. The route continues to the east and northeast through the communities of Old Glory, Rule, Haskell, Throckmorton, and Newcastle, before crossing Lake Graham and reaching the city of Graham.

US 380 continues to the east and northeast through Bryson before reaching an intersection with US Route 281 and Texas State Highway 114 in Jacksboro. US 281 departs southward out of town, while US 380 and TX 114 depart east south of Jacksboro, crossing Lake Bridgeport before reaching the city of Bridgeport. US 380 then travels due east toward the city of Decatur.

US 380 exits to the east and reaches an intersection with Interstate 35 on the west end of Denton where it is known as University Drive. US 380 continues through the city of Denton, intersecting US Route 77 and US 377 near Texas Woman's University, before continuing east with US 377. The routes cross the very northern edge of Lake Lewisville before US 377 departs off to the north. US 380 continues east, meeting the northern terminus of the Dallas North Tollway in Frisco, before reaching McKinney, where it is also known as University Drive. The route then continues east, passing through Princeton before crossing the northern fringe of Lake Lavon, and reaching Farmersville, where it is signed as the Audie Murphy Parkway. The route again continues east, passing just south of Floyd, before reaching an intersection with US Route 69 on the far western edge of Greenville. Both of those routes then follow a loop around the south end of Greenville, before reaching the routes eastern terminus at an intersection with Interstate 30 and US Route 67.

Special routes[edit]

The route has two special routes, all business routes in Texas.

U.S. Route 380 Business - F[edit]

This is the former route of US 380 through the city of Decatur. The route was bypassed in 1987, with the old route being renamed Texas State Highway Loop 569. The route was re-designated as the business route in 1991.

U.S. Route 380 Business - J[edit]

This is the former route of US 380 through the town of Floyd. The route was bypassed in 1968, when the route was still known as Texas State Highway 24, with the old routing being designated as Texas State Highway Loop 462. The route was re-designated as the business route in 1991.


U.S. Highway 566
LocationRuidoso, New MexicoSocorro, New Mexico

When US 380 was commissioned in 1931, it took over the entire former route of U.S. Route 566,[1] an original 1926 route. The entire route of US 566 was within the state of New Mexico, from an intersection with (modern day New Mexico State Road 48) and (modern-day US 70) east of Ruidoso to US 85 (originally planned as US 466) in Socorro, New Mexico. US 566 never intersected with its nominal parent, U.S. Route 66 although it temporarily connected to that parent indirectly via U.S. Route 366.

The section of highway from the New Mexico border to Jayton was previously SH 84. A spur route, SH 84A, went from Jayton to Aspermont, being changed to Texas State Highway 161 in 1930.

Major intersections[edit]

New MexicoSocorro I-25 (US 85) – Las Cruces, SocorroWestern terminus; I-25 exit 139
San Antonio NM 1 – Luis Lopez, El Camino Real IHC, Bosque del Apache National Wildlife Refuge, Fort Craig
NM 525 south
LincolnCarrizozo US 54 – Vaughn, Tularosa
NM 37 – Nogal, Ruidoso
Capitan NM 48 south (South Lincoln Avenue) / NM 246 (Pine Lodge Road) – Ruidoso
NM 220 – Fort Stanton, Sierra Blanca Regional Airport, Fort Stanton Museum
Hondo US 70 west – RuidosoWest end of US 70 overlap
Tinnie NM 368 – Arabela
US 70 Truck east / US 285 Truck (Relief Route) – Roswell International Air Center
US 70 east / US 285 (Main Street) – Vaughn, Artesia, NMMIEast end of US 70 overlap
NM 254 – East Grand Plains
NM 409 – Bottomless Lakes State Park
NM 172 – Maljamar
Lea NM 457 south to US 82 – Artesia
Tatum NM 206 – Portales, Lovington
NM 125 – Bledsoe
New MexicoTexas lineLeaYoakum county line FM 769
TexasYoakumPlains US 82 west – LovingtonWest end of US 82 overlap
See US 82
TerryBrownfield US 62 east / US 82 east / US 385 north (North Lubbock Highway) – LubbockEast end of US 62 / US 82 / US 385 overlap
FM 168 northWest end of FM 168 overlap
FM 168 southEast end of FM 168 overlap
LynnWest Point FM 179 – Wolfforth, Lamesa
FM 1328 north
FM 3112 south
Tahoka Loop 472 (North Main Street)
US 87Interchange
FM 2956 south
FM 1054 northWest end of FM 1054 overlap
FM 1054 south – DrawEast end of FM 1054 overlap
FM 212
Garza FM 399 northWest end of FM 399 overlap
FM 399 southEast end of FM 399 overlap
Post FM 669 south (Avenue M) – Gail
US 84 east (Avenue J) – SnyderWest end of US 84 overlap
US 84 west (Avenue J) – LubbockEast end of US 84 overlap
SH 207 north / Loop 46 south / FM 651 north (Avenue F)
FM 2008 north
Kent FM 1081 north
SH 208 south – SnyderWest end of SH 208 overlap
Clairemont SH 208 north – SpurEast end of SH 208 overlap
SH 70 south – RotanWest end of SH 70 overlap
FM 1083 north
SH 70 north – Jayton, SpurEast end of SH 70 overlap
Stonewall FM 2211 east – Peacock
Swenson FM 1416 north
US 83 north – GuthrieWest end of US 83 overlap
Aspermont FM 1263 north (North Second Street)
US 83 south / FM 610 west – Hamlin, RotanEast end of US 83 overlap
FM 3457 north
SH 283 east – Stamford, Sagerton
Old Glory Loop 128 east – Old Glory
FM 1835
Loop 128 west – Old Glory
HaskellRule FM 617 east
SH 6 – Rochester, Stamford
FM 2407 west
Bus. US 277 – Weinert, Stamford
US 277 – Weinert, StamfordInterchange
FM 600 south – Paint Creek
FM 618 south – Paint Creek, Lake Stamford
FM 266 north
Throckmorton SH 222 north – Munday
FM 2651 north
FM 923 south
Throckmorton US 183 / US 283 / SH 79 north – Seymour, Albany, Breckenridge
FM 1711 north – Elbert
Young FM 578 north to SH 79West end of FM 578 overlap
FM 578 south – BreckenridgeEast end of FM 578 overlap
FM 61 east – Fort Belknap
Newcastle FM 926 west to SH 251 – Olney
FM 1769 north – Jean
Graham SH 16 northWest end of SH 16 overlap
SH 16 south (Elm Street) / SH 67 southEast end of SH 16 overlap
FM 3491 north (Cliff Drive)
FM 2179 south
FM 2075 west
JackBryson FM 3209 south
FM 1191 southWest end of FM 1191 overlap
FM 1191 north – JermynEast end of FM 1191 overlap
FM 4 south – Graford
Jacksboro US 281 north / SH 114 west (Main Street) / SH 59 north (Belknap Street)West end of US 281 / SH 114 / SH 199 overlap
PR 61 – Fort Richardson State Park
US 281 south / SH 199 east – Mineral Wells, Fort WorthEast end of US 281 / SH 199 overlap
FM 1156 north – Wizard Wells
Vineyard FM 1156 – Wizard Wells, Joplin
WiseBridgeport FM 1658 north
FM 1658 – Bridgeport
SH 114 east / SH 101 north – RhomeEast end of SH 114 overlap
Loop 373 – Bridgeport
FM 1655 north – Alvord, Weatherford College
Bus. US 380 east to FM 51 south – Decatur
US 81 / US 287 – Wichita Falls, Fort WorthInterchange
FM 730 – Decatur AirportInterchange
FM 51 – Gainesville, WeatherfordInterchange

Bus. US 380 west
Denton FM 2622 south – Stony
FM 156 – Krum, Ponder, Fort WorthInterchange
I-35 / US 380 Truck – Gainesville, Dallas
I-35 exit 469
US 77 south / US 377 south (North Elm Street)West end of US 377 south overlap (westbound)
US 77 north (North Locust Street) to FM 428West end of US 377 north overlap (eastbound)

Loop 288 / US 380 Truck west
Cross Roads US 377 north – Pilot PointInterchange; east end of US 377 overlap
FM 424 north – Aubrey
Lincoln Park FM 720 east – Oak Point, Little Elm
Providence VillageLittle Elm line FM 2931 north – Providence Village
Little ElmProsper line FM 1385 north
FriscoProsper line FM 423 south – Frisco, Little Elm, The Colony
CollinFriscoProsper line To Dallas North Tollway south / Dallas Parkway
SH 289 / Bus. SH 289 north – Prosper, FriscoInterchange
ProsperMcKinney line FM 2478 (Custer Road) – Prosper, McKinney, Plano
McKinney To FM 1461 / Lake Forest Drive
US 75 / SH 121 (North Central Expressway) – Sherman, DallasUS 75 exit 41
SH 5 (McDonald Street) – Melissa, Fairview
FM 1827 north – New Hope
Princeton FM 982 south
FM 75 north (South 4th Street)
Farmersville SH 78 – Lavon, Blue RidgeInterchange
Main StreetInterchange
FM 547 south – Josephine
Hunt FM 36 north – MeritWest end of FM 36 overlap

Bus. US 380 east
FM 36 south / County Road 1118 – Floyd, Caddo MillsEast end of FM 36 overlap

Bus. US 380 west
FM 903 north – Wagner
Greenville US 69 north / Spur 302 east – Greenville, DenisonWest end of US 69 overlap
SH 66 west – Caddo Mills
SH 34 (Wesley Street) – Greenville, Terrell
I-30 / US 67 / US 69 south – Emory, Texarkana, DallasEastern terminus; east end of US 69 overlap; I-30 exit 94
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]

Related routes[edit]


  1. ^ a b c "New Mexico Highway Changes Announced". El Paso Herald-Post. August 8, 1931. p. 5. Retrieved June 3, 2017 – via Newspapers.com. open access
Browse numbered routes
US 377.svg US 377TXUS 385.svg US 385